A Study to Investigate Efficacy and Safety of OG-6219 BID in 3 Dose Levels Compared With Placebo in Participants Aged 18 to 49 With Moderate to Severe Endometriosis-related Pain

Purpose

The purpose of this global Phase 2 study is to determine the efficacy, safety, and tolerability of 3 dose levels of OG-6219 in pre-menopausal women between 18 and 49 years of age (inclusive), who have moderate to severe endometriosis-related pain.

Condition

  • Endometriosis

Eligibility

Eligible Ages
Between 18 Years and 49 Years
Eligible Genders
Female
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Pre-menopausal females of age 18 to 49 years old (inclusive) at the time of signing Informed Consent (V1). - Surgically (laparoscopy or laparotomy) diagnosed with endometriosis - Moderate to severe endometriosis-related pelvic pain - Regular menstrual cycles - Is not expected to undergo a planned gynecological surgery or other surgical procedures for treatment of endometriosis during study participation. - Normal breast exam at V1. In participants of ≥40 years mammography or contrast-enhanced breast MRI performed within the last 12 months prior to Screening (V1) without clinically significant abnormal findings. - Agree not to participate in another interventional study while participating in the present study. - Able and willing to adhere to study procedures, including - agree to use 2 forms of non-hormonal contraception throughout the study - Must be willing and able to provide signed informed consent before any study-related activities - Has demonstrated compliance with ≥75% of eDiary entries - Has a negative pregnancy test

Exclusion Criteria

  • Surgical history of hysterectomy and/or bilateral oophorectomy - Chronic pelvic and/or non-pelvic pain not caused by endometriosis that requires chronic analgesic or other chronic therapy - Undiagnosed (unexplained), abnormal vaginal bleeding not associated with endometriosis within the past 6 months before screening. - Presence of high-risk human papillomavirus (HPV). - Has an active sexually transmitted infection (STI) (eg, gonorrhea, chlamydia, or trichomonas). - Intends to become pregnant or breast feed during study participation or has a known or suspected pregnancy. - History of malignancy (except for basal cell or squamous cell skin cancer) before signing informed consent. - History of family history of hereditary abnormal hemoglobin or an enzyme deficiency that can result in methemoglobinemia. - Has a medical condition associated with hemolytic anemia - Known human immunodeficiency virus infection, and/or acute or active, recurrent/relapsing, or chronic infection (eg, hepatitis A, B, or C virus) - Has a clinically significant abnormal ECG or QT interval prolongation - Used any medication that is either a sensitive substrate, moderate, or strong inhibitor or inducer of CYP3A4 within 30 days or 10 half-lives (whichever is longer) prior to the planned first day of dosing.

Study Design

Phase
Phase 2
Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel Assignment
Primary Purpose
Treatment
Masking
Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)

Arm Groups

ArmDescriptionAssigned Intervention
Experimental
Group A: OG-6219 Dose 1
Group A: OG-6219 Dose 1 BID
  • Drug: OG-6219
    OG-6219 Dose 1, Dose 2, Dose 3 BID: Participants will receive (orally) OG-6219 tablets during treatment cycles.
Experimental
Group B: OG-6219 Dose 2
Group B: OG-6219 Dose 2 BID
  • Drug: OG-6219
    OG-6219 Dose 1, Dose 2, Dose 3 BID: Participants will receive (orally) OG-6219 tablets during treatment cycles.
Experimental
Group C: OG-6219 Dose 3
Group C: OG-6219 Dose 3 BID
  • Drug: OG-6219
    OG-6219 Dose 1, Dose 2, Dose 3 BID: Participants will receive (orally) OG-6219 tablets during treatment cycles.
Placebo Comparator
Group D: Placebo
Group D: Placebo BID
  • Drug: Placebo
    Participants will receive (orally) OG-6219 Placebo tablets BID during treatment cycles.

Recruiting Locations

University of Texas Health Science Center at San Antonio
San Antonio, Texas 78229
Contact:
Randal Robinson
210-567-4950
robinsonr3@uthscsa.edu

More Details

Status
Recruiting
Sponsor
Organon and Co

Study Contact

Toll Free Number
551-430-6000
OG-6219-P001@IQVIA.com

Detailed Description

This is a global multicenter, Phase 2a/b, randomized, double-blind, Placebo-controlled study to assess the efficacy, safety, and tolerability of 3 dose levels of OG-6219, in pre-menopausal women 18 to 49 years of age (inclusive), who have been surgically diagnosed with endometriosis with moderate to severe endometriosis-related pain. This study includes treatment lasting approximately 16 weeks in total and is followed by a Safety Follow-up visit. Pre-menopausal females aged 18 to 49 years old (inclusive), who have been surgically diagnosed with endometriosis will be screened and randomly assigned to study treatment. A minimum subset of 10 participants per treatment group (including Placebo group) will be voluntarily enrolled for optional intensive PK sampling for the entire duration of the study.